diff options
| author | Asad Kamal <asad.kamal@amd.com> | 2026-01-30 16:20:58 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-23 21:19:07 +0300 |
| commit | 6a609b800c9ed8d4bdb44362c8d04afa41d44d21 (patch) | |
| tree | f9eef7589a65ab76fd1e25c786f6349ed0a47db8 | |
| parent | 8847d59969eb38519b4790404248fa6828956daf (diff) | |
| download | linux-6a609b800c9ed8d4bdb44362c8d04afa41d44d21.tar.xz | |
drm/amd/pm: Add NPM support for smu_v15_0_8
Add node power management support for smu_v15_0_8
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c index c850578f735c..13c2b0cb7ad1 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c @@ -558,6 +558,46 @@ static int smu_v15_0_8_get_system_metrics_table(struct smu_context *smu) return 0; } +static int smu_v15_0_8_get_npm_data(struct smu_context *smu, + enum amd_pp_sensors sensor, + uint32_t *value) +{ + struct smu_table_context *smu_table = &smu->smu_table; + struct smu_table *tables = smu_table->tables; + SystemMetricsTable_t *metrics; + struct smu_table *sys_table; + int ret; + + if (sensor == AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT) { + /*TBD as of now put 0 */ + *value = 0; + return 0; + } + + ret = smu_v15_0_8_get_system_metrics_table(smu); + if (ret) + return ret; + + sys_table = &tables[SMU_TABLE_PMFW_SYSTEM_METRICS]; + metrics = (SystemMetricsTable_t *)sys_table->cache.buffer; + + switch (sensor) { + case AMDGPU_PP_SENSOR_NODEPOWERLIMIT: + *value = SMUQ10_ROUND(metrics->NodePowerLimit); + break; + case AMDGPU_PP_SENSOR_NODEPOWER: + *value = SMUQ10_ROUND(metrics->NodePower); + break; + case AMDGPU_PP_SENSOR_GPPTRESIDENCY: + *value = SMUQ10_ROUND(metrics->GlobalPPTResidencyAcc); + break; + default: + return -EINVAL; + } + + return 0; +} + static int smu_v15_0_8_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size) @@ -607,6 +647,15 @@ static int smu_v15_0_8_read_sensor(struct smu_context *smu, *(uint32_t *)data = dpm_context->board_volt; *size = 4; break; + case AMDGPU_PP_SENSOR_NODEPOWERLIMIT: + case AMDGPU_PP_SENSOR_NODEPOWER: + case AMDGPU_PP_SENSOR_GPPTRESIDENCY: + case AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT: + ret = smu_v15_0_8_get_npm_data(smu, sensor, (uint32_t *)data); + if (ret) + return ret; + *size = 4; + break; case AMDGPU_PP_SENSOR_GPU_AVG_POWER: default: ret = -EOPNOTSUPP; |